Consider the two setups below. in setup 1, conducting bodies A and B have the same temperature, while in setup 2, conducting bodies C and D have different temperatures-C is hotter than D. All the bodies are made of the same material. a. will heat transfer occur in both setups?why?

b. in the setup(s) where heat transfer can occur, draw an arrow in the diagram(s) to represent the direction of heat flow between the two bodies.

c. will heat perpetually flow between the two bodies in each setup?why?

Explain how carbon monoxide can cause death

Asample of the male sex hormone testosterone, c19h28o2, contains 3.88×10^21 atoms of hydrogen.(a) how many atoms of carbon does it contain? (b) how many molecules of testosterone does it contain? (c) how many moles of testosterone does it contain? (d) what is the mass of this sample in grams?

Imagine that a new planet is discovered with two moons of equal mass: moon a and moon b. the mass of the new planet is greater than the combined mass of its moons. moon a is farther away from the new planet than moon b. what is the planet's gravitational pull on moon a compared to the planet's gravitational pull on moon b? the planet's gravity repels moon a with a greater force than it repels moon b, which is why moon a is farther away. the gravitational pull on moon b is greater than on moon a because moon b is closer to the new planet than moon a. the gravitational pull on moon b is greater than on moon a because moon b is farther away from the new planet than moon a. the gravitational pull on moon a is the same as the gravitational pull on moon b because distance does not affect the planet's gravity.